TITLE 41. STATE GOVERNMENT CHAPTER 8. AGENCIES OF THE LEGISLATIVE DEPARTMENT ARTICLE 3. ARIZONA STATE LIBRARY, ARCHIVES AND PUBLIC RECORDS

A.R.S. § 41-1354

A. Except as provided in subsection B, a library or library system supported by public monies shall not allow disclosure of any record or other information which identifies a user of library services as requesting or obtaining specific materials or services or as otherwise using the library.
B. Records may be disclosed:

1. If necessary for the reasonable operation of the library.

2. On written consent of the user.

3. On receipt of a court order.

4. If required by law.
C. Any person who knowingly discloses any record or other information in violation of this section is guilty of a class 3 misdemeanor.